News for hackers. Stuff that matters.

A comment on Black Blacker Than Vantablack.

Re:Black Blacker Than Vantablack by icsllaf on Friday September 27, 2019 @02:26PM (#21094810)
Would the human eye see the difference between this and Vantablack? Even though it's ten times darker I feel like the returns would get smaller and smaller.

Also, what would 100% light absorption look like?

[ Parent | on HN ]
Re:Black Blacker Than Vantablack by jbay808 on Friday September 27, 2019 @02:58PM (#21095185)
In other words, you have to crank up the light source to be 10x brighter to make it reflect as much as vantablack does.

I think the returns are always there when the improvements are on a log scale like that, assuming you care about darkness in the first place.

[ Parent | on HN ]
Re:Black Blacker Than Vantablack by axaxs on Friday September 27, 2019 @02:53PM (#21095123)
In the right environment - the absence of anything. Like a piece was cutout of your vision. Which, to be honest, this resembles as well.
[ Parent | on HN ]
Re:Black Blacker Than Vantablack by virgilp on Friday September 27, 2019 @03:06PM (#21095261)
Shine a very powerful laser on it, and yes, the human eye will be able to tell the difference
[ Parent | on HN ]
Re:Black Blacker Than Vantablack by jcims on Friday September 27, 2019 @05:07PM (#21096300)
>Also, what would 100% light absorption look like?

A hole.

[ Parent | on HN ]